+++ /dev/null
-/* Copyright (c) 2007-2010, 2012-2015. The SimGrid Team.
- * All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include <stdio.h>
-#include "simgrid/msg.h" /* Yeah! If you want to use msg, you need to include simgrid/msg.h */
-#include "xbt/sysdep.h" /* calloc, printf */
-
-/* Create a log channel to have nice outputs. */
-#include "xbt/log.h"
-#include "xbt/asserts.h"
-
-/* we are going to use a generated platform */
-#include "simgrid/platf_generator.h"
-#include "simgrid/platf_interface.h"
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
- "Messages specific for this msg example");
-
-int master(int argc, char *argv[]);
-int slave(int argc, char *argv[]);
-void promoter_1(context_node_t node);
-void labeler_1(context_edge_t edge);
-
-#define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */
-
-#define TASK_COUNT_PER_HOST 5 /* Number of tasks each slave has to do */
-#define TASK_COMP_SIZE 15000000 /* computation cost of each task */
-#define TASK_COMM_SIZE 1200000 /* communication time of task */
-
-/** Promoter function
- * Just promote each node into a host, with fixed power
- * Set one node as master
- * Add a state trace on other nodes
- */
-void promoter_1(context_node_t node) {
-
- s_sg_platf_host_cbarg_t host_parameters;
- static int master_choosen = FALSE;
-
- host_parameters.id = NULL;
- host_parameters.speed_peak = xbt_dynar_new(sizeof(double), NULL);
- xbt_dynar_push_as(host_parameters.speed_peak, double, 25000000.0);
- host_parameters.core_amount = 1;
- host_parameters.speed_scale = 1;
- host_parameters.speed_trace = NULL;
- host_parameters.initiallyOn = 1;
- host_parameters.state_trace = NULL;
- host_parameters.coord = NULL;
- host_parameters.properties = NULL;
-
- if(!master_choosen) {
- master_choosen = TRUE;
- host_parameters.id = "host_master";
- } else {
- //Set a power trace
- char* pw_date_generator_id = bprintf("pw_date_host_%ld", node->id);
- char* pw_value_generator_id = bprintf("pw_value_host_%ld", node->id);
- probabilist_event_generator_t pw_date_generator =
- tmgr_event_generator_new_uniform(pw_date_generator_id, 5, 10);
- probabilist_event_generator_t pw_value_generator =
- tmgr_event_generator_new_uniform(pw_value_generator_id, 0.6, 1.0);
- host_parameters.speed_trace =
- tmgr_trace_generator_value(bprintf("pw_host_%ld", node->id),
- pw_date_generator,
- pw_value_generator);
- }
-
- platf_graph_promote_to_host(node, &host_parameters);
-
-}
-
-/** Labeler function
- * Set all links with the same bandwidth and latency
- * Add a state trace to each link
- */
-void labeler_1(context_edge_t edge) {
- s_sg_platf_link_cbarg_t link_parameters;
- link_parameters.id = NULL;
- link_parameters.bandwidth = 100000000;
- link_parameters.bandwidth_trace = NULL;
- link_parameters.latency = 0.01;
- link_parameters.latency_trace = NULL;
- link_parameters.initiallyOn = 1;
- link_parameters.state_trace = NULL;
- link_parameters.policy = SURF_LINK_SHARED;
- link_parameters.properties = NULL;
-
- char* avail_generator_id = bprintf("avail_link_%ld", edge->id);
- char* unavail_generator_id = bprintf("unavail_link_%ld", edge->id);
-
- probabilist_event_generator_t avail_generator =
- tmgr_event_generator_new_exponential(avail_generator_id, 0.0001);
- probabilist_event_generator_t unavail_generator =
- tmgr_event_generator_new_uniform(unavail_generator_id, 10, 20);
-
- link_parameters.state_trace =
- tmgr_trace_generator_avail_unavail(bprintf("state_link_%ld", edge->id),
- avail_generator,
- unavail_generator,
- 1/*ON*/);
-
-
- platf_graph_link_label(edge, &link_parameters);
-
-}
-
-int master(int argc, char *argv[])
-{
- int slaves_count = 0;
- msg_host_t *slaves = NULL;
- int number_of_tasks = 0;
- double task_comp_size = 0;
- double task_comm_size = 0;
- int i;
-
- number_of_tasks = TASK_COUNT_PER_HOST*argc;
- task_comp_size = TASK_COMP_SIZE;
- task_comm_size = TASK_COMM_SIZE;
-
- { /* Process organization */
- slaves_count = argc;
- slaves = xbt_new0(msg_host_t, slaves_count);
-
- for (i = 0; i < argc; i++) {
- slaves[i] = MSG_host_by_name(argv[i]);
- if (slaves[i] == NULL) {
- XBT_INFO("Unknown host %s. Stopping Now! ", argv[i]);
- abort();
- }
- }
- }
-
- XBT_INFO("Got %d slave(s) :", slaves_count);
- for (i = 0; i < slaves_count; i++)
- XBT_INFO("%s", MSG_host_get_name(slaves[i]));
-
- XBT_INFO("Got %d task to process :", number_of_tasks);
-
- for (i = 0; i < number_of_tasks; i++) {
- msg_task_t task = MSG_task_create("Task", task_comp_size, task_comm_size,
- xbt_new0(double, 1));
- int a;
- *((double *) task->data) = MSG_get_clock();
-
- a = MSG_task_send_with_timeout(task,MSG_host_get_name(slaves[i % slaves_count]),10.0);
-
- if (a == MSG_OK) {
- XBT_INFO("Send completed");
- } else if (a == MSG_HOST_FAILURE) {
- XBT_INFO
- ("Gloups. The cpu on which I'm running just turned off!. See you!");
- free(task->data);
- MSG_task_destroy(task);
- free(slaves);
- return 0;
- } else if (a == MSG_TRANSFER_FAILURE) {
- XBT_INFO
- ("Mmh. Something went wrong with '%s'. Nevermind. Let's keep going!",
- MSG_host_get_name(slaves[i % slaves_count]));
- free(task->data);
- MSG_task_destroy(task);
- } else if (a == MSG_TIMEOUT) {
- XBT_INFO
- ("Mmh. Got timeouted while speaking to '%s'. Nevermind. Let's keep going!",
- MSG_host_get_name(slaves[i % slaves_count]));
- free(task->data);
- MSG_task_destroy(task);
- } else {
- XBT_INFO("Hey ?! What's up ? ");
- xbt_die( "Unexpected behavior");
- }
- }
-
- XBT_INFO
- ("All tasks have been dispatched. Let's tell everybody the computation is over.");
- for (i = 0; i < slaves_count; i++) {
- msg_task_t task = MSG_task_create("finalize", 0, 0, FINALIZE);
- int a = MSG_task_send_with_timeout(task,MSG_host_get_name(slaves[i]),1.0);
- if (a == MSG_OK)
- continue;
- if (a == MSG_HOST_FAILURE) {
- XBT_INFO
- ("Gloups. The cpu on which I'm running just turned off!. See you!");
- MSG_task_destroy(task);
- free(slaves);
- return 0;
- } else if (a == MSG_TRANSFER_FAILURE) {
- XBT_INFO("Mmh. Can't reach '%s'! Nevermind. Let's keep going!",
- MSG_host_get_name(slaves[i]));
- MSG_task_destroy(task);
- } else if (a == MSG_TIMEOUT) {
- XBT_INFO
- ("Mmh. Got timeouted while speaking to '%s'. Nevermind. Let's keep going!",
- MSG_host_get_name(slaves[i % slaves_count]));
- MSG_task_destroy(task);
- } else {
- XBT_INFO("Hey ?! What's up ? ");
- xbt_die("Unexpected behavior with '%s': %d", MSG_host_get_name(slaves[i]), a);
- }
- }
-
- XBT_INFO("Goodbye now!");
- free(slaves);
- return 0;
-} /* end_of_master */
-
-int slave(int argc, char *argv[])
-{
- while (1) {
- msg_task_t task = NULL;
- int a;
- double time1, time2;
-
- time1 = MSG_get_clock();
- a = MSG_task_receive( &(task), MSG_host_get_name(MSG_host_self()) );
- time2 = MSG_get_clock();
- if (a == MSG_OK) {
- XBT_INFO("Received \"%s\"", MSG_task_get_name(task));
- if (MSG_task_get_data(task) == FINALIZE) {
- MSG_task_destroy(task);
- break;
- }
- if (time1 < *((double *) task->data))
- time1 = *((double *) task->data);
- XBT_INFO("Communication time : \"%f\"", time2 - time1);
- XBT_INFO("Processing \"%s\"", MSG_task_get_name(task));
- a = MSG_task_execute(task);
- if (a == MSG_OK) {
- XBT_INFO("\"%s\" done", MSG_task_get_name(task));
- free(task->data);
- MSG_task_destroy(task);
- } else if (a == MSG_HOST_FAILURE) {
- XBT_INFO
- ("Gloups. The cpu on which I'm running just turned off!. See you!");
- return 0;
- } else {
- XBT_INFO("Hey ?! What's up ? ");
- xbt_die("Unexpected behavior");
- }
- } else if (a == MSG_HOST_FAILURE) {
- XBT_INFO
- ("Gloups. The cpu on which I'm running just turned off!. See you!");
- return 0;
- } else if (a == MSG_TRANSFER_FAILURE) {
- XBT_INFO("Mmh. Something went wrong. Nevermind. Let's keep going!");
- } else if (a == MSG_TIMEOUT) {
- XBT_INFO("Mmh. Got a timeout. Nevermind. Let's keep going!");
- } else {
- XBT_INFO("Hey ?! What's up ? ");
- xbt_die("Unexpected behavior");
- }
- }
- XBT_INFO("I'm done. See you!");
- return 0;
-} /* end_of_slave */
-
-/** Main function */
-int main(int argc, char *argv[])
-{
- msg_error_t res = MSG_OK;
- unsigned long seed_platf_gen[] = {134, 233445, 865, 2634, 424242, 876543};
- unsigned long seed_trace_gen[] = {8865244, 356772, 42, 77465, 2098754, 8725442};
- int connected;
- int max_tries = 10;
-
- //MSG initialization
- MSG_init(&argc, argv);
-
- //Set up the seed for the platform generation
- platf_random_seed(seed_platf_gen);
-
- //Set up the RngStream for trace generation
- sg_platf_rng_stream_init(seed_trace_gen);
-
- XBT_INFO("creating nodes...");
- platf_graph_uniform(10);
-
- do {
- max_tries--;
- XBT_INFO("creating links...");
- platf_graph_clear_links();
- platf_graph_interconnect_waxman(0.9, 0.4);
- XBT_INFO("done. Check connectedness...");
- connected = platf_graph_is_connected();
- XBT_INFO("Is it connected : %s", connected ? "yes" : (max_tries ? "no, retrying" : "no"));
- } while(!connected && max_tries);
-
- if(!connected && !max_tries) {
- xbt_die("Impossible to connect the graph, aborting.");
- }
-
- XBT_INFO("registering callbacks...");
- platf_graph_promoter(promoter_1);
- platf_graph_labeler(labeler_1);
-
- XBT_INFO("promoting...");
- platf_do_promote();
-
- XBT_INFO("labeling...");
- platf_do_label();
-
- XBT_INFO("Putting it in surf...");
- platf_generate();
-
- XBT_INFO("Let's get the available hosts and dispatch work:");
-
- unsigned int i;
- msg_host_t host = NULL;
- msg_host_t host_master = NULL;
- msg_process_t process = NULL;
- xbt_dynar_t host_dynar = MSG_hosts_as_dynar();
- char** hostname_list =
- xbt_malloc(sizeof(char*) * xbt_dynar_length(host_dynar));
-
- xbt_dynar_foreach(host_dynar, i, host) {
- process = MSG_process_create("slave", slave, NULL, host);
- MSG_process_auto_restart_set(process, TRUE);
- hostname_list[i] = (char*) MSG_host_get_name(host);
- }
- host_master = MSG_host_by_name("host_master");
- MSG_process_create_with_arguments("master", master, NULL, host_master,
- xbt_dynar_length(host_dynar),
- hostname_list);
-
- res = MSG_main();
-
- if (res == MSG_OK)
- return 0;
- else
- return 1;
-} /* end_of_main */
